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CIK 0000810136 · Large accelerated filer

PHOTRONICS INC

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Ticker
PLAB
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Oct 31
Incorporated
CT
Entity type
operating
EIN
060854886
Phone
2037759000
Business address
15 SECOR ROAD, PO BOX 5226, BROOKFIELD, CT, 06804
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,114,265
in 4 filings

Net −$1,114,265. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Lee Kang Jyh −$826K Director sold 8% of stake
  2. Park Han Kyung −$289K SVP & GM of FPD Ops sold 13% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-04-06 Lee Kang Jyh Director Sale −5,000 $40.53 $203K 385,850
2026-04-06 Lee Kang Jyh Director Option exercise · PHOTRONICS STOCK OPTIONS −5,000 15,000
2026-04-02 MACRICOSTAS CONSTANTINE S Director Gift −37,000 410,895
2026-04-01 MACRICOSTAS CONSTANTINE S Director Gift −13,000 447,895
2026-04-01 TYSON MITCHELL G Director Sale −10,000 $42.31 $423K 33,199
2026-04-01 Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sale −4,186 $42.00 $176K 160,499
2026-04-01 Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sale −4,100 $42.14 $173K 156,399
2026-04-01 Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sale −1,714 $42.15 $72K 154,685
2026-04-01 Lee Kang Jyh Director Option exercise +5,000 $10.75 $54K 390,850
2026-04-01 Lee Kang Jyh Director Sale −5,000 $42.00 $210K 385,850
2026-04-01 Lee Kang Jyh Director Option exercise · PHOTRONICS STOCK OPTIONS −5,000 0
2026-03-26 Lee Kang Jyh Director Option exercise +5,000 $10.75 $54K 390,850
2026-03-26 Lee Kang Jyh Director Sale −5,000 $40.80 $204K 385,850
2026-03-26 Lee Kang Jyh Director Option exercise · PHOTRONICS STOCK OPTIONS −5,000 5,000
2026-03-23 Lee Kang Jyh Director Sale −10,000 $39.00 $390K 385,850
2026-03-19 Lee Kang Jyh Director Sale −10,000 $35.80 $358K 400,850
2026-02-09 ZHANG RUI VP, CAO & Corporate Controller Grant or award +1,467 33,387
2026-02-09 Alesio Todd Anthony SVP, CAO Grant or award +983 17,946
2026-02-09 Rivera Eric President, CFO Grant or award +22,641 177,690
2026-01-20 Liao Daniel JL Director Grant or award +1,234 68,782

Page 3 of 52 · 1,025 trades